A fire transfer control system, method and storage medium

Abstract

The present invention provides a fire-fighting transfer control system, method and storage medium, belonging to the field of fire-fighting technology. The fire-fighting transfer control system includes a fire pump; a gun head provided with a positioning chip; a connecting hose for connecting the gun head and the fire pump; a storage tank, a pressure relief pipe is connected to the storage tank, one end of the pressure relief pipe is connected to the connecting hose, and the other end is connected to the storage tank; a controller, a first valve is installed at the outlet of the fire pump, a second valve is installed on the pressure relief pipe, a third valve is provided on the gun head, and the controller is electrically connected to the first valve, the second valve, the third valve and the positioning chip respectively. The present invention solves the problems that when firefighters extinguish fires in the prior art, the transfer and movement are very inconvenient and there are relatively large potential safety hazards.

Description

Technical Field

[0001] The present invention relates to the field of fire fighting technology, and particularly relates to a fire fighting transfer control system, method and storage medium. Background Art

[0002] A fire pump refers to a dedicated fire fighting water pump or an ordinary clean water pump that meets the national standard "Performance Requirements and Test Methods for Fire Pumps" GB 6245, and is used to provide sufficient water source to meet the fire extinguishing needs when a fire occurs. According to the working principle and structural characteristics, fire pumps can be divided into centrifugal pumps, mixed flow pumps, axial flow pumps, screw pumps, etc. The working principle is as follows: when receiving a fire alarm signal, the motor of the fire pump starts and drives the impeller to rotate. The rotation of the impeller generates centrifugal force or other acting forces, enabling the liquid in the pump to obtain energy and form a pressure difference, thereby pushing the water or other fire extinguishing agents stored in the water storage tank to fire extinguishing equipment such as sprinklers and fire hydrants, forming water mist, water column or foam for fire extinguishing.

[0003] The outlet of the fire pump is generally used to connect with a connecting hose, and the connecting hose is connected to a nozzle. A valve is provided on the nozzle to control the water or other fire extinguishing agents from the nozzle of the gun body. When firefighters use the fire pump to extinguish a fire and transfer, they can first close the valve on the nozzle, then transfer it to another position and then open the valve on the nozzle to extinguish the fire. In this way, it can prevent the connecting hose from being accidentally dragged or collided during the transfer movement, resulting in accidental spraying of the water gun, avoiding accidental injuries to the firefighters themselves and surrounding personnel, and also preventing the water from spraying everywhere and causing unnecessary damage to surrounding items and the environment. However, after the valve on the nozzle is closed, the fire pump does not stop running and will continue to fill with liquid, resulting in the bulging of the connecting hose and the increase in the weight of the tube after filling with liquid, which brings great inconvenience to the transfer. In addition, the continuous operation of the fire pump will continuously pressurize the water in the connecting hose, resulting in a sharp rise in the pressure inside the tube. This not only has the risks of pipe bursting and leakage, but also affects the normal operation of the fire fighting system, and there are relatively large potential safety hazards.

[0004] In view of this, the present invention provides a new solution to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a fire fighting transfer control system, method and storage medium, which solves the problems that it is very inconvenient to transfer and there are relatively large potential safety hazards when firefighters extinguish fires in the prior art.

[0006] The above technical purpose of the present invention is achieved through the following technical solutions.

[0007] A fire fighting transfer control system includes:

[0008] A fire pump;

[0009] A nozzle, on which a positioning chip is provided;

[0010] A connecting hose for connecting the gun head and the fire pump;

[0011] A storage tank, a pressure relief pipe is connected to the storage tank, one end of the pressure relief pipe is connected to the connecting hose, and the other end is connected to the storage tank;

[0012] A controller, a first valve is installed at the outlet of the fire pump, a second valve is installed on the pressure relief pipe, a third valve is arranged on the gun head, and the controller is electrically connected to the first valve, the second valve, the third valve and the positioning chip respectively.

[0013] Further preferably: a pressure gauge is installed at the outlet of the fire pump, and the pressure gauge is electrically connected to the controller.

[0014] Further preferably: a button is arranged on the gun head, and the controller is electrically connected to the button.

[0015] Further preferably: a ventilation hole is opened at the top of the storage tank, and a ventilation film is installed in the ventilation hole.

[0016] Further preferably: a discharge valve is arranged at the bottom of the storage tank, and a liquid level gauge is arranged on the storage tank.

[0017] Further preferably: the positioning chip is a GPS or Beidou positioning chip.

[0018] A fire transfer control method is applied to the fire transfer control system as described above. The method includes the following steps:

[0019] When the third valve is closed, obtain the moving distance of the gun head within a preset time t1. When the moving distance is greater than a preset distance threshold s1, and / or obtain the real-time pressure at the outlet of the fire pump, and compare the real-time pressure with a pressure threshold. When the real-time pressure is greater than the pressure threshold, start a pressure relief operation. The pressure relief operation includes closing the first valve and opening the second valve;

[0020] When the third valve is opened, obtain the moving distance of the gun head within a preset time t2. When the moving distance is less than a preset distance threshold s2, and / or obtain the real-time pressure at the outlet of the fire pump, and compare the real-time pressure with a pressure stability value. When the real-time pressure is less than the pressure stability value, start a pressurization operation. The pressurization operation includes closing the second valve and opening the first valve.

[0021] Further preferably: the method includes the following steps:

[0022] When the third valve is closed, obtain the moving distance of the gun head within the preset time t1, and obtain the real-time pressure at the outlet of the fire pump. Compare the real-time pressure with the pressure threshold. When the moving distance is greater than the preset distance threshold s1 and when the real-time pressure is greater than the pressure threshold, start the pressure relief operation, and the pressure relief operation includes closing the first valve and opening the second valve;

[0023] After the third valve is opened, obtain the moving distance of the gun head within the preset time t2, and obtain the real-time pressure at the outlet of the fire pump. Compare the real-time pressure with the pressure stability value. When the moving distance is less than the preset distance threshold s2 and when the real-time pressure is less than the pressure stability value, start the pressurization operation, and the pressurization operation includes closing the second valve and opening the first valve.

[0024] Further preferably: The method includes the following steps:

[0025] When the third valve is closed, obtain the moving distance of the gun head within the preset time t1. When the moving distance is greater than the preset distance threshold s1, start the pressure relief operation, and the pressure relief operation includes closing the first valve and opening the second valve;

[0026] After the third valve is opened, obtain the moving distance of the gun head within the preset time t2. When the moving distance is less than the preset distance threshold s2, start the pressurization operation, and the pressurization operation includes closing the second valve and opening the first valve.

[0027] A storage medium, the storage medium is a computer-readable storage medium, and a fire truck transfer control program is stored on the storage medium. Wherein, when the fire truck transfer control program is executed by a processor, the steps of the fire truck transfer control method are realized.

[0028] In summary, the present invention has the following beneficial effects: Once the present invention detects that a firefighter is in the process of transferring, it first cuts off the pressure connection between the connecting hose and the fire pump, and then performs a liquid discharge and pressure relief operation on the connecting hose by means of a storage tank. Through this process, on the one hand, the liquid (such as water) in the connecting hose can be discharged, reducing the weight of the connecting hose and facilitating the transfer movement. On the other hand, the static pressure in the connecting hose and the gun head can be greatly reduced, effectively solving a series of problems such as the bulging, bursting, and leakage of the connecting hose. The entire device of the present invention has a simple structure, low cost, and stable and reliable operation, and can be realized only by simple modification on the basis of the existing fire pump design. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is the overall structural schematic diagram of the fire pump control system of a preferred embodiment of the present invention.

[0030] In the figure, 1 is a fire pump; 2 is a gun head; 3 is a connecting hose; 4 is a storage tank; 5 is an outlet pipe; 6 is a pressure relief pipe; 7 is a pressure gauge; 8 is a first valve; 9 is a second valve; 10 is a third valve; 11 is a discharge valve; 12 is a button; 13 is a positioning chip. Detailed implementation manners

[0031] The present invention will be further described below.

[0032] The present invention provides a fire transfer control system, method and storage medium, and the technical problem to be solved is that during the transfer process when the firefighter closes the gun head 2, the connecting hose 3 is inconvenient to move due to the swelling caused by liquid filling and the increase in the weight of the pipe after liquid filling. For the technical principle of the swelling of the connecting hose 3 after liquid filling, it is necessary to comprehensively apply the relevant knowledge of centrifugal pumps and fluid mechanics to understand.

[0033] From the perspective of the characteristics of centrifugal pumps, there is a general law in its flow rate - head curve: when the flow rate gradually increases, the head decreases; in the special working condition where the flow rate is zero, it corresponds to the "shut-off head", and the value of this shut-off head is usually significantly higher than the head during normal delivery flow rate. For example, when the outlet pipe 5 of the centrifugal pump is in a closed state, but the centrifugal pump still maintains operation, the shut-off head is reached at this time. In this case, a relatively high pressure will be generated on the outlet pipe 5 of the centrifugal pump.

[0034] In the field of fluid mechanics, the Bernoulli equation, also known as the steady flow energy equation, is applicable to the steady flow of ideal fluids. This equation shows that in the fluid flow ignoring viscous losses, the sum of the pressure potential energy, kinetic energy and potential energy at any two points on the streamline always remains constant. Specifically, when the fluid in the pipe is flowing normally, it contains a certain amount of energy. If the flow rate is suddenly reduced to 0, then a large amount of the kinetic energy of the fluid will be converted into pressure potential energy, resulting in a rapid increase in static pressure.

[0035] The existing conventional technical solution is to connect the two ends of the connecting hose 3 to the outlet nozzle 5 of the fire pump 1 and the nozzle 2 respectively. After starting the fire pump 1, the liquid for fire extinguishing (such as water) is sucked in from the inlet pipeline of the fire pump 1, and through the pressurizing effect of the impeller inside the fire pump 1, it is transported to the connecting hose 3 through the outlet nozzle 5 and finally ejected from the nozzle 2. When the fireman suddenly closes the valve of the nozzle 2 during the actual fire fighting operation when the scene needs to be changed, at this time, the flow rate transported by the fire pump 1 drops to zero instantly, but the fire pump 1 is still running continuously. This causes the pressure of the outlet nozzle 5 of the fire pump 1 to increase sharply, reaching the high-pressure state corresponding to the "shut-off head". At the same time, the flow rate of the liquid in the connecting hose 3 and the nozzle 2 drops significantly, and the kinetic energy of the liquid is converted into pressure potential energy. The combined effect of these two factors causes the entire fluid area from the outlet nozzle 5 of the fire pump 1 to the nozzle 2 to be in a high static pressure state. This will not only cause the connecting hose 3 to bulge excessively and become hard in texture, bringing great difficulties to the fireman during the process of dragging the connecting hose 3 to change the scene; but also easily cause pipe bursting accidents, resulting in leakage problems at the pipe wall of the connecting hose 3 and the joints between the connecting hose 3 and the outlet nozzle 5 of the fire pump 1 and the nozzle 2. In severe cases, it may even cause the connecting hose 3 to fall off from the joint. In addition, when the connecting hose 3 is filled with liquid, regardless of the internal pressure, it will cause a relatively large weight, which brings great inconvenience to the scene change, taking a long time and being laborious.

[0036] Based on this, the present invention provides a fire fighting scene change control system, method and storage medium. Once it is detected that the fireman is changing the scene, first, the pressure connection between the connecting hose 3 and the fire pump 1 is cut off, and then the connecting hose 3 is briefly drained and depressurized by means of the storage tank 4. Through this process, on the one hand, the liquid (such as water) in the connecting hose 3 can be discharged, reducing the weight of the connecting hose 3 and facilitating the movement during the scene change. On the other hand, the static pressure in the connecting hose 3 and the nozzle 2 can be greatly reduced, effectively solving a series of problems such as the bulging, bursting and leakage of the connecting hose 3. The entire device structure of the present invention is simple, low in cost, stable and reliable in operation, and can be realized only by simple modification on the basis of the existing design of the fire pump 1.

[0037] The following further illustrates the present invention with reference to the drawings and embodiments.

[0038] Embodiment 1:

[0039] A fire fighting scene change control system, method and storage medium, as Figure 1 shown, the fire fighting scene change control system includes a fire pump 1, a nozzle 2, a storage tank 4, a controller, and a connecting hose 3 for connecting the nozzle 2 and the fire pump 1. An outlet nozzle 5 is provided at the outlet of the fire pump 1. One end of the connecting hose 3 is flange-connected to the outlet nozzle 5, and the other end is connected to the nozzle 2. When the fireman holds the nozzle 2 and enters the fire scene for fire fighting work, the fire pump 1 drives the fire-fighting liquid (water) into the connecting hose 3 and then ejects it from the nozzle 2.

[0040] Preferably, a third valve 10 is installed at the water outlet end of the nozzle 2 for opening or closing the nozzle 2.

[0041] The storage tank 4 is provided for pressure relief and discharging the fire extinguishing liquid (water) in the connecting hose 3. A pressure relief pipe 6 is connected to the storage tank 4. One end of the pressure relief pipe 6 is connected to the outlet connection pipe 5, and the other end is connected to the storage tank 4. A second valve 9 is installed on the pressure relief pipe 6 for controlling the communication between the connecting hose 3 and the storage tank 4.

[0042] Preferably, the second valve 9 is a normally closed valve so as to be closed when the fire pump 1 is in operation to prevent the fire extinguishing liquid from leaking out through the pressure relief pipe 6.

[0043] To enable the fire extinguishing liquid (water) in the connecting hose 3 to smoothly enter the storage tank 4, preferably, a vent hole is provided at the top of the storage tank 4, and a vent film is installed in the vent hole to communicate the storage tank 4 with the outside atmosphere.

[0044] Preferably, a discharge valve 11 is provided at the bottom of the storage tank 4 for discharging the liquid in the storage tank 4.

[0045] Preferably, a liquid level gauge is installed on the storage tank 4 for real-time monitoring of the height of the liquid material. When there is more liquid in the storage tank 4, the discharge valve 11 can be opened for liquid discharge.

[0046] In the above technical solution, when firefighters extinguish fires, they need to frequently change locations, that is, they need to move to different positions for fire extinguishing according to the specific situation of the fire. When changing locations, the firefighters will actively close the third valve 10, and at this time, the fire extinguishing liquid stops spraying. Since the fire pump 1 is still running, once the third valve 10 is closed, the connecting hose 3 will bulge due to continuous liquid filling, the pressure will rise sharply, and the weight of the pipe will increase after liquid filling, making it very inconvenient to move. Therefore, in the present invention, the storage tank 4 is provided, which can enable the fire extinguishing liquid (water) in the connecting hose 3 to enter the storage tank 4 through the pressure relief pipe 6, reduce the weight of the connecting hose 3, and lower the pressure inside the connecting hose 3.

[0047] Refer to Figure 1 , a positioning chip 13 is further provided on the nozzle 2. The positioning chip 13 is a GPS or Beidou positioning chip 13. In this embodiment, the positioning chip 13 is selected as a GPS positioning chip 13. A first valve 8 and a pressure gauge 7 are installed on the outlet connection pipe 5 of the fire pump 1. The installation position of the first valve 8 is at the front end of the connection between the outlet connection pipe 5 and the pressure relief pipe 6, and the installation position of the pressure gauge 7 is at the rear end of the connection between the outlet connection pipe 5 and the pressure relief pipe 6. The pressure gauge 7 is used for real-time monitoring of the pressure inside the connecting hose 3. The controller is electrically connected to the first valve 8, the second valve 9, the third valve 10, the positioning chip 13, and the pressure gauge 7 respectively.

[0048] Preferably, both the first valve 8 and the second valve 9 are electric gate valves.

[0049] In the above technical solution, by providing a pressure relief pipe 6 and controlling the opening and closing of the first valve 8 and the second valve 9, the pressure in the connecting hose 3 is discharged into the storage tank 4. Specifically, during the use of the fire pump 1, there are two operations including a pressure relief operation and a pressurization operation. The pressure relief operation is started during the transfer, and the pressurization operation is started after the transfer ends. The pressure relief operation includes two steps of closing the first valve 8 and opening the second valve 9. First, the first valve 8 is closed, and then the second valve 9 is opened, so as to separate the fire pump 1 from the connecting hose 3, and the connecting hose 3 is communicated with the pressure relief pipe 6. In this way, the fire liquid in the connecting hose 3 will enter the storage tank 4 through the pressure relief pipe 6, reducing the weight of the connecting hose 3 and at the same time reducing the internal pressure of the connecting hose 3. The pressurization operation includes two steps of closing the second valve 9 and opening the first valve 8. First, the second valve 9 is closed, and then the first valve 8 is opened, so as to connect the fire pump 1 with the connecting hose 3 and separate the connecting hose 3 from the pressure relief pipe 6. In this way, the fire liquid conveyed by the fire pump 1 will enter the gun head 2 through the connecting hose 3.

[0050] Refer to Figure 1 , the controller is used to control the automatic switching between the pressurization operation and the pressure relief operation to improve the automation degree of the fire transfer control system.

[0051] Preferably, the controller is a programmable logic controller (PLC) or an industrial control computer.

[0052] Wherein, the controller can set a preset time t1 and a preset distance threshold s1 for judging whether the pressure relief operation is started.

[0053] Wherein, the controller can set a preset time t2 and a preset distance threshold s2 for judging whether the pressurization operation is started.

[0054] Wherein, the controller can set a pressure threshold and a pressure stability value for judging whether to start the pressure relief operation or the pressurization operation.

[0055] Preferably, a button 12 is provided on the gun head 2, and the button 12 is electrically connected to the controller. Specifically, the button 12 is wirelessly connected to the controller.

[0056] The button 12 is arranged on the gun head 2, and the fireman can manually switch between the pressurization operation and the pressure relief operation by controlling the button 12 according to specific needs, which greatly facilitates the operation of the fireman.

[0057] The fire transfer control method includes the following steps:

[0058] S1. When the third valve 10 is closed, obtain the moving distance of the gun head 2 within a preset time t1, and obtain the real-time pressure at the outlet of the fire pump 1. Compare the real-time pressure with the pressure threshold. When the real-time pressure is greater than the pressure threshold and the moving distance is greater than the preset distance threshold s1, start the pressure relief operation. The pressure relief operation includes closing the first valve 8 and opening the second valve 9.

[0059] In the above steps, the preset time t1, the preset distance threshold s1, and the pressure threshold are all pre-stored in the memory of the controller. The pressure threshold is configured to be bearable by the connecting hose 3. The real-time pressure is the pressure of the connecting hose 3 obtained by the pressure gauge 7. Comparing the real-time pressure with the pressure threshold will generate a comparison result. When the comparison result is: the real-time pressure is greater than the pressure threshold and the moving distance is greater than the preset distance threshold s1, start the pressure relief operation. At this time, the controller sequentially issues a first control signal and a second control signal to the first valve 8 and the second valve 9. The first valve 8 closes in response to the first control signal; the second valve 9 opens in response to the second control signal. To sum up, when the firefighter closes the third valve 10, a transfer judgment will be made first. When the real-time pressure is greater than the pressure threshold and the moving distance is greater than the preset distance threshold s1, it is judged that the firefighter is in the process of transferring, and thus the pressure relief operation is started.

[0060] S2. When the third valve 10 is opened, obtain the moving distance of the gun head 2 within a preset time t2, and obtain the real-time pressure at the outlet of the fire pump 1. Compare the real-time pressure with the pressure stability value. When the real-time pressure is less than the pressure stability value and the moving distance is less than the preset distance threshold s2, start the pressurization operation. The pressurization operation includes closing the second valve 9 and opening the first valve 8.

[0061] In the above steps, the preset time t2, the preset distance threshold s2, and the pressure stability value are all pre-stored in the memory of the controller. The real-time pressure is the pressure of the connecting hose 3 obtained by the pressure gauge 7. Comparing the real-time pressure with the pressure threshold will generate a comparison result. When the comparison result is: when the real-time pressure is less than the pressure stability value and the moving distance is less than the preset distance threshold s2, start the pressurization operation. At this time, the controller sequentially issues a third control signal and a fourth control signal to the first valve 8 and the second valve 9. The second valve 9 closes in response to the third control signal; the first valve 8 opens in response to the fourth control signal. To sum up, when the firefighter opens the third valve 10, a transfer judgment will be made first. When the real-time pressure is less than the pressure stability value and the moving distance is less than the preset distance threshold s2, it is judged that the firefighter has completed the transfer, and thus the pressurization operation is started so that the fire extinguishing liquid can be ejected from the gun head 2.

[0062] Among them, the pressure stability value is much smaller than the pressure threshold, so that the switching between the pressurization operation and the pressure relief operation is not too frequent.

[0063] Preferably, the pressure threshold is 80% to 95% of the shut-off head of the fire pump 1.

[0064] Through the combined trigger of dual conditions and the collaborative judgment of multiple parameters, the present invention significantly improves the accuracy of pressure relief control and the system safety.

[0065] The present invention also provides a storage medium, which is a computer-readable storage medium. A fire transfer control program is stored on the storage medium. When the fire transfer control program is executed by a processor, the steps of the above-mentioned fire transfer control method are implemented.

[0066] Embodiment 2:

[0067] A fire transfer control system, method and storage medium, which are different from Embodiment 1 in that:

[0068] The fire transfer control method includes the following steps:

[0069] S1. When the third valve 10 is closed, obtain the moving distance of the gun head 2 within a preset time t1. When the moving distance is greater than a preset distance threshold s1, start the pressure relief operation. The pressure relief operation includes closing the first valve 8 and opening the second valve 9;

[0070] S2. After the third valve 10 is opened, obtain the moving distance of the gun head 2 within a preset time t2. When the moving distance is less than a preset distance threshold s2, start the pressurization operation. The pressurization operation includes closing the second valve 9 and opening the first valve 8. The pressurization operation includes closing the second valve 9 and opening the first valve 8.

[0071] The present invention only uses the moving distance of the gun head 2 as a judgment parameter and triggers pressure relief under a single condition. Therefore, the pressure gauge 7 does not have to be installed on the outlet pipe 5 of the fire pump 1.

[0072] Embodiment 3:

[0073] A fire transfer control system, method and storage medium, which are different from Embodiment 1 in that:

[0074] The fire transfer control method includes the following steps:

[0075] S1. When the third valve 10 is closed, obtain the real-time pressure at the outlet of the fire pump 1, compare the real-time pressure with the pressure threshold. When the real-time pressure is greater than the pressure threshold, start the pressure relief operation. The pressure relief operation includes closing the first valve 8 and opening the second valve 9;

[0076] S2. After the third valve 10 is opened, obtain the real-time pressure at the outlet of the fire pump 1, compare the real-time pressure with the pressure stable value. When the real-time pressure is less than the pressure stable value, start the pressurization operation. The pressurization operation includes closing the second valve 9 and opening the first valve 8.

[0077] The present invention uses only pressure change as the judgment parameter and triggers pressure relief under a single condition.

[0078] Application example:

[0079] In this embodiment, the fire pump 1 is a motor-driven clean water centrifugal pump with a shut-off head of 65 m. During normal transportation, the head of the fire pump 1 is between 30 m and 45 m, and the pressure threshold is the pressure corresponding to 80% of the shut-off head of the fire pump 1, that is, 52 m water column.

[0080] During a certain fire fighting process, the firefighter carried out fire fighting operations at position A, and the measured value of the pressure gauge 7 remained at 40 m ± 3 m water column. Suddenly, the firefighter closed the third valve 10, and at this time, the measured value of the pressure gauge 7 soared to 53 m water column. Immediately, the controller issued an instruction to close the first valve 8 and then open the second valve 9.

[0081] After 3 s, the pressure value dropped below the pressure stable value, and the fire pump 1 was also in a standby state ready to supply liquid at any time.

[0082] After 5 s, the firefighter transferred to position B and opened the third valve 10. At this time, the controller issued another instruction to close the second valve 9 and open the first valve 8, so that the fire pump 1 continued to supply high-pressure liquid to be ejected from the nozzle 2.

[0083] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, several improvements and modifications made without departing from the principle of the present invention should also be regarded as within the protection scope of the present invention.

Claims

1. A firefighting transition control method, characterized in that: Applied to a fire fighting transfer control system, the fire fighting transfer control system comprises: Fire pump (1); A gun tip (2), wherein a positioning chip (13) is provided on the gun tip (2); A connecting hose (3) used to connect the gun head (2) and the fire pump (1); A storage tank (4), wherein the storage tank (4) is connected to a pressure relief pipe (6), wherein one end of the pressure relief pipe (6) is connected to the connecting hose (3), and the other end is connected to the storage tank (4); A controller, wherein a first valve (8) is installed at the outlet of the fire pump (1), a second valve (9) is installed on the pressure relief pipe (6), and a third valve (10) is provided on the gun head (2), and the controller is electrically connected to the first valve (8), the second valve (9), the third valve (10) and the positioning chip (13) respectively; The fire fighting transfer control method comprises the following steps: When the third valve (10) is closed, the moving distance of the gun head (2) within a preset time t1 is obtained. When the moving distance is greater than a preset distance threshold s1, and / or the real-time pressure at the outlet of the fire pump (1) is obtained, and the real-time pressure is compared with the pressure threshold. When the real-time pressure is greater than the pressure threshold, a pressure relief operation is started, and the pressure relief operation includes closing the first valve (8) and opening the second valve (9); When the third valve (10) is opened, the moving distance of the gun head (2) within a preset time t2 is obtained. When the moving distance is less than a preset distance threshold s2, and / or the real-time pressure at the outlet of the fire pump (1) is obtained, and the real-time pressure is compared with the pressure stability value. When the real-time pressure is less than the pressure stability value, the pressure charging operation is started, and the pressure charging operation includes closing the second valve (9) and opening the first valve (8).

2. A firefighting transfer control method according to claim 1, characterized in that: The outlet of the fire pump (1) is provided with a pressure gauge (7), and the pressure gauge (7) is electrically connected to the controller.

3. A firefighting transfer control method according to claim 1, characterized in that: The gun head (2) is provided with a button (12), and the controller is electrically connected to the button (12).

4. A firefighting transfer control method according to claim 1, characterized in that: The storage tank (4) is provided with an air hole at the top, and an air-permeable film is installed in the air hole.

5. A firefighting transfer control method according to claim 1, characterized in that: A discharge valve (11) is provided at the bottom of the storage tank (4), and a liquid level gauge is provided on the storage tank (4).

6. A firefighting transfer control method according to claim 1, characterized in that: The positioning chip (13) is a GPS or Beidou positioning chip.

7. A firefighting transfer control method according to claim 1, characterized in that: The method comprises the following steps: When the third valve (10) is closed, the moving distance of the gun head (2) within a preset time t1 is obtained, and the real-time pressure at the outlet of the fire pump (1) is obtained, and the real-time pressure is compared with the pressure threshold. When the moving distance is greater than the preset distance threshold s1 and when the real-time pressure is greater than the pressure threshold, a pressure relief operation is started, and the pressure relief operation includes closing the first valve (8) and opening the second valve (9); When the third valve (10) is opened, the moving distance of the gun head (2) within a preset time t2 is obtained, and the real-time pressure at the outlet of the fire pump (1) is obtained, and the real-time pressure is compared with the pressure stability value. When the moving distance is less than the preset distance threshold s2 and when the real-time pressure is less than the pressure stability value, the pressure charging operation is started, and the pressure charging operation includes closing the second valve (9) and opening the first valve (8).

8. A firefighting transfer control method according to claim 6, characterized in that: The method comprises the following steps: When the third valve (10) is closed, the moving distance of the gun head (2) within a preset time t1 is obtained, and when the moving distance is greater than a preset distance threshold s1, a pressure relief operation is started, the pressure relief operation comprising closing the first valve (8) and opening the second valve (9); When the third valve (10) is opened, the moving distance of the gun head (2) within a preset time t2 is obtained, and when the moving distance is less than a preset distance threshold s2, a pressure charging operation is started, and the pressure charging operation includes closing the second valve (9) and opening the first valve (8).

9. A storage medium, wherein the storage medium is a computer-readable storage medium, characterized in that: The storage medium stores a fire-fighting transition control program, wherein when the fire-fighting transition control program is executed by a processor, the steps of the fire-fighting transition control method according to any one of claims 1 to 8 are implemented.

Images